The product being described is a lot of 6 vintage sledgehammer blacksmith hammer heads made of steel, weighing a total of 45 pounds. These hammer heads are of various brands, adding to the unique and collectible aspect of the item. Perfect for blacksmithing enthusiasts or collectors of antique tools, this set offers a variety of options for craftsmanship and DIY projects. The high quality and weight of the hammer heads ensure durability and effectiveness for various tasks.